79351940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{977}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 173505024

約数和(自身を除く): 94153084

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 524, 620, 655, 977, 1310, 1954, 2620, 3908, 4061, 4885, 8122, 9770, 16244, 19540, 20305, 30287, 40610, 60574, 81220, 121148, 127987, 151435, 255974, 302870, 511948, 605740, 639935, 1279870, 2559740, 3967597, 7935194, 15870388, 19837985, 39675970, 79351940]

約数ペア:

[(1, 79351940), (2, 39675970), (4, 19837985), (5, 15870388), (10, 7935194), (20, 3967597), (31, 2559740), (62, 1279870), (124, 639935), (131, 605740), (155, 511948), (262, 302870), (310, 255974), (524, 151435), (620, 127987), (655, 121148), (977, 81220), (1310, 60574), (1954, 40610), (2620, 30287), (3908, 20305), (4061, 19540), (4885, 16244), (8122, 9770)]