55171120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 137401920

約数和(自身を除く): 82230800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 113, 136, 170, 226, 272, 340, 359, 452, 565, 680, 718, 904, 1130, 1360, 1436, 1795, 1808, 1921, 2260, 2872, 3590, 3842, 4520, 5744, 6103, 7180, 7684, 9040, 9605, 12206, 14360, 15368, 19210, 24412, 28720, 30515, 30736, 38420, 40567, 48824, 61030, 76840, 81134, 97648, 122060, 153680, 162268, 202835, 244120, 324536, 405670, 488240, 649072, 689639, 811340, 1379278, 1622680, 2758556, 3245360, 3448195, 5517112, 6896390, 11034224, 13792780, 27585560, 55171120]

約数ペア:

[(1, 55171120), (2, 27585560), (4, 13792780), (5, 11034224), (8, 6896390), (10, 5517112), (16, 3448195), (17, 3245360), (20, 2758556), (34, 1622680), (40, 1379278), (68, 811340), (80, 689639), (85, 649072), (113, 488240), (136, 405670), (170, 324536), (226, 244120), (272, 202835), (340, 162268), (359, 153680), (452, 122060), (565, 97648), (680, 81134), (718, 76840), (904, 61030), (1130, 48824), (1360, 40567), (1436, 38420), (1795, 30736), (1808, 30515), (1921, 28720), (2260, 24412), (2872, 19210), (3590, 15368), (3842, 14360), (4520, 12206), (5744, 9605), (6103, 9040), (7180, 7684)]