61525160

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 142143120

約数和(自身を除く): 80617960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 101, 157, 194, 202, 314, 388, 404, 485, 505, 628, 776, 785, 808, 970, 1010, 1256, 1570, 1940, 2020, 3140, 3880, 4040, 6280, 9797, 15229, 15857, 19594, 30458, 31714, 39188, 48985, 60916, 63428, 76145, 78376, 79285, 97970, 121832, 126856, 152290, 158570, 195940, 304580, 317140, 391880, 609160, 634280, 1538129, 3076258, 6152516, 7690645, 12305032, 15381290, 30762580, 61525160]

約数ペア:

[(1, 61525160), (2, 30762580), (4, 15381290), (5, 12305032), (8, 7690645), (10, 6152516), (20, 3076258), (40, 1538129), (97, 634280), (101, 609160), (157, 391880), (194, 317140), (202, 304580), (314, 195940), (388, 158570), (404, 152290), (485, 126856), (505, 121832), (628, 97970), (776, 79285), (785, 78376), (808, 76145), (970, 63428), (1010, 60916), (1256, 48985), (1570, 39188), (1940, 31714), (2020, 30458), (3140, 19594), (3880, 15857), (4040, 15229), (6280, 9797)]