123844640

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12689}}^1$

素因数の和:12765

約数の個数: 48

約数和(自身を含む): 297402840

約数和(自身を除く): 173558200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 9760, 12689, 25378, 50756, 63445, 101512, 126890, 203024, 253780, 406048, 507560, 774029, 1015120, 1548058, 2030240, 3096116, 3870145, 6192232, 7740290, 12384464, 15480580, 24768928, 30961160, 61922320, 123844640]

約数ペア:

[(1, 123844640), (2, 61922320), (4, 30961160), (5, 24768928), (8, 15480580), (10, 12384464), (16, 7740290), (20, 6192232), (32, 3870145), (40, 3096116), (61, 2030240), (80, 1548058), (122, 1015120), (160, 774029), (244, 507560), (305, 406048), (488, 253780), (610, 203024), (976, 126890), (1220, 101512), (1952, 63445), (2440, 50756), (4880, 25378), (9760, 12689)]