65040040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 172368000

約数和(自身を除く): 107327960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 29, 38, 40, 52, 58, 65, 76, 95, 104, 116, 130, 145, 152, 190, 227, 232, 247, 260, 290, 377, 380, 454, 494, 520, 551, 580, 754, 760, 908, 988, 1102, 1135, 1160, 1235, 1508, 1816, 1885, 1976, 2204, 2270, 2470, 2755, 2951, 3016, 3770, 4313, 4408, 4540, 4940, 5510, 5902, 6583, 7163, 7540, 8626, 9080, 9880, 11020, 11804, 13166, 14326, 14755, 15080, 17252, 21565, 22040, 23608, 26332, 28652, 29510, 32915, 34504, 35815, 43130, 52664, 56069, 57304, 59020, 65830, 71630, 85579, 86260, 112138, 118040, 125077, 131660, 143260, 171158, 172520, 224276, 250154, 263320, 280345, 286520, 342316, 427895, 448552, 500308, 560690, 625385, 684632, 855790, 1000616, 1121380, 1250770, 1626001, 1711580, 2242760, 2501540, 3252002, 3423160, 5003080, 6504004, 8130005, 13008008, 16260010, 32520020, 65040040]

約数ペア:

[(1, 65040040), (2, 32520020), (4, 16260010), (5, 13008008), (8, 8130005), (10, 6504004), (13, 5003080), (19, 3423160), (20, 3252002), (26, 2501540), (29, 2242760), (38, 1711580), (40, 1626001), (52, 1250770), (58, 1121380), (65, 1000616), (76, 855790), (95, 684632), (104, 625385), (116, 560690), (130, 500308), (145, 448552), (152, 427895), (190, 342316), (227, 286520), (232, 280345), (247, 263320), (260, 250154), (290, 224276), (377, 172520), (380, 171158), (454, 143260), (494, 131660), (520, 125077), (551, 118040), (580, 112138), (754, 86260), (760, 85579), (908, 71630), (988, 65830), (1102, 59020), (1135, 57304), (1160, 56069), (1235, 52664), (1508, 43130), (1816, 35815), (1885, 34504), (1976, 32915), (2204, 29510), (2270, 28652), (2470, 26332), (2755, 23608), (2951, 22040), (3016, 21565), (3770, 17252), (4313, 15080), (4408, 14755), (4540, 14326), (4940, 13166), (5510, 11804), (5902, 11020), (6583, 9880), (7163, 9080), (7540, 8626)]