51337360

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8123}}^1$

素因数の和:8215

約数の個数: 40

約数和(自身を含む): 120885120

約数和(自身を除く): 69547760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 8123, 16246, 32492, 40615, 64984, 81230, 129968, 162460, 324920, 641717, 649840, 1283434, 2566868, 3208585, 5133736, 6417170, 10267472, 12834340, 25668680, 51337360]

約数ペア:

[(1, 51337360), (2, 25668680), (4, 12834340), (5, 10267472), (8, 6417170), (10, 5133736), (16, 3208585), (20, 2566868), (40, 1283434), (79, 649840), (80, 641717), (158, 324920), (316, 162460), (395, 129968), (632, 81230), (790, 64984), (1264, 40615), (1580, 32492), (3160, 16246), (6320, 8123)]