131984840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4789}}^1$

素因数の和:4866

約数の個数: 64

約数和(自身を含む): 325911600

約数和(自身を除く): 193926760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2756, 3445, 4789, 5512, 6890, 9578, 13780, 19156, 23945, 27560, 38312, 47890, 62257, 95780, 124514, 191560, 249028, 253817, 311285, 498056, 507634, 622570, 1015268, 1245140, 1269085, 2030536, 2490280, 2538170, 3299621, 5076340, 6599242, 10152680, 13198484, 16498105, 26396968, 32996210, 65992420, 131984840]

約数ペア:

[(1, 131984840), (2, 65992420), (4, 32996210), (5, 26396968), (8, 16498105), (10, 13198484), (13, 10152680), (20, 6599242), (26, 5076340), (40, 3299621), (52, 2538170), (53, 2490280), (65, 2030536), (104, 1269085), (106, 1245140), (130, 1015268), (212, 622570), (260, 507634), (265, 498056), (424, 311285), (520, 253817), (530, 249028), (689, 191560), (1060, 124514), (1378, 95780), (2120, 62257), (2756, 47890), (3445, 38312), (4789, 27560), (5512, 23945), (6890, 19156), (9578, 13780)]