38971960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 92378880

約数和(自身を除く): 53406920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 424, 530, 593, 620, 1060, 1186, 1240, 1643, 2120, 2372, 2965, 3286, 4744, 5930, 6572, 8215, 11860, 13144, 16430, 18383, 23720, 31429, 32860, 36766, 62858, 65720, 73532, 91915, 125716, 147064, 157145, 183830, 251432, 314290, 367660, 628580, 735320, 974299, 1257160, 1948598, 3897196, 4871495, 7794392, 9742990, 19485980, 38971960]

約数ペア:

[(1, 38971960), (2, 19485980), (4, 9742990), (5, 7794392), (8, 4871495), (10, 3897196), (20, 1948598), (31, 1257160), (40, 974299), (53, 735320), (62, 628580), (106, 367660), (124, 314290), (155, 251432), (212, 183830), (248, 157145), (265, 147064), (310, 125716), (424, 91915), (530, 73532), (593, 65720), (620, 62858), (1060, 36766), (1186, 32860), (1240, 31429), (1643, 23720), (2120, 18383), (2372, 16430), (2965, 13144), (3286, 11860), (4744, 8215), (5930, 6572)]