8443160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 21427200

約数和(自身を除く): 12984040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 619, 620, 682, 1238, 1240, 1364, 1705, 2476, 2728, 3095, 3410, 4952, 6190, 6809, 6820, 12380, 13618, 13640, 19189, 24760, 27236, 34045, 38378, 54472, 68090, 76756, 95945, 136180, 153512, 191890, 211079, 272360, 383780, 422158, 767560, 844316, 1055395, 1688632, 2110790, 4221580, 8443160]

約数ペア:

[(1, 8443160), (2, 4221580), (4, 2110790), (5, 1688632), (8, 1055395), (10, 844316), (11, 767560), (20, 422158), (22, 383780), (31, 272360), (40, 211079), (44, 191890), (55, 153512), (62, 136180), (88, 95945), (110, 76756), (124, 68090), (155, 54472), (220, 38378), (248, 34045), (310, 27236), (341, 24760), (440, 19189), (619, 13640), (620, 13618), (682, 12380), (1238, 6820), (1240, 6809), (1364, 6190), (1705, 4952), (2476, 3410), (2728, 3095)]