40630280

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 94186800

約数和(自身を除く): 53556520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 101, 113, 178, 202, 226, 356, 404, 445, 452, 505, 565, 712, 808, 890, 904, 1010, 1130, 1780, 2020, 2260, 3560, 4040, 4520, 8989, 10057, 11413, 17978, 20114, 22826, 35956, 40228, 44945, 45652, 50285, 57065, 71912, 80456, 89890, 91304, 100570, 114130, 179780, 201140, 228260, 359560, 402280, 456520, 1015757, 2031514, 4063028, 5078785, 8126056, 10157570, 20315140, 40630280]

約数ペア:

[(1, 40630280), (2, 20315140), (4, 10157570), (5, 8126056), (8, 5078785), (10, 4063028), (20, 2031514), (40, 1015757), (89, 456520), (101, 402280), (113, 359560), (178, 228260), (202, 201140), (226, 179780), (356, 114130), (404, 100570), (445, 91304), (452, 89890), (505, 80456), (565, 71912), (712, 57065), (808, 50285), (890, 45652), (904, 44945), (1010, 40228), (1130, 35956), (1780, 22826), (2020, 20114), (2260, 17978), (3560, 11413), (4040, 10057), (4520, 8989)]