20132980880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1\times {\mathrm{18743}}^1$

素因数の和:19248

約数の個数: 80

約数和(自身を含む): 48530465280

約数和(自身を除く): 28397484400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 463, 464, 580, 926, 1160, 1852, 2315, 2320, 3704, 4630, 7408, 9260, 13427, 18520, 18743, 26854, 37040, 37486, 53708, 67135, 74972, 93715, 107416, 134270, 149944, 187430, 214832, 268540, 299888, 374860, 537080, 543547, 749720, 1074160, 1087094, 1499440, 2174188, 2717735, 4348376, 5435470, 8678009, 8696752, 10870940, 17356018, 21741880, 34712036, 43390045, 43483760, 69424072, 86780090, 138848144, 173560180, 251662261, 347120360, 503324522, 694240720, 1006649044, 1258311305, 2013298088, 2516622610, 4026596176, 5033245220, 10066490440, 20132980880]

約数ペア:

[(1, 20132980880), (2, 10066490440), (4, 5033245220), (5, 4026596176), (8, 2516622610), (10, 2013298088), (16, 1258311305), (20, 1006649044), (29, 694240720), (40, 503324522), (58, 347120360), (80, 251662261), (116, 173560180), (145, 138848144), (232, 86780090), (290, 69424072), (463, 43483760), (464, 43390045), (580, 34712036), (926, 21741880), (1160, 17356018), (1852, 10870940), (2315, 8696752), (2320, 8678009), (3704, 5435470), (4630, 4348376), (7408, 2717735), (9260, 2174188), (13427, 1499440), (18520, 1087094), (18743, 1074160), (26854, 749720), (37040, 543547), (37486, 537080), (53708, 374860), (67135, 299888), (74972, 268540), (93715, 214832), (107416, 187430), (134270, 149944)]