51755120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:594

約数の個数: 80

約数和(自身を含む): 127491840

約数和(自身を除く): 75736720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 509, 620, 656, 820, 1018, 1240, 1271, 1640, 2036, 2480, 2542, 2545, 3280, 4072, 5084, 5090, 6355, 8144, 10168, 10180, 12710, 15779, 20336, 20360, 20869, 25420, 31558, 40720, 41738, 50840, 63116, 78895, 83476, 101680, 104345, 126232, 157790, 166952, 208690, 252464, 315580, 333904, 417380, 631160, 646939, 834760, 1262320, 1293878, 1669520, 2587756, 3234695, 5175512, 6469390, 10351024, 12938780, 25877560, 51755120]

約数ペア:

[(1, 51755120), (2, 25877560), (4, 12938780), (5, 10351024), (8, 6469390), (10, 5175512), (16, 3234695), (20, 2587756), (31, 1669520), (40, 1293878), (41, 1262320), (62, 834760), (80, 646939), (82, 631160), (124, 417380), (155, 333904), (164, 315580), (205, 252464), (248, 208690), (310, 166952), (328, 157790), (410, 126232), (496, 104345), (509, 101680), (620, 83476), (656, 78895), (820, 63116), (1018, 50840), (1240, 41738), (1271, 40720), (1640, 31558), (2036, 25420), (2480, 20869), (2542, 20360), (2545, 20336), (3280, 15779), (4072, 12710), (5084, 10180), (5090, 10168), (6355, 8144)]