53040440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 123638400

約数和(自身を除く): 70597960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 89, 94, 178, 188, 235, 317, 356, 376, 445, 470, 634, 712, 890, 940, 1268, 1585, 1780, 1880, 2536, 3170, 3560, 4183, 6340, 8366, 12680, 14899, 16732, 20915, 28213, 29798, 33464, 41830, 56426, 59596, 74495, 83660, 112852, 119192, 141065, 148990, 167320, 225704, 282130, 297980, 564260, 595960, 1128520, 1326011, 2652022, 5304044, 6630055, 10608088, 13260110, 26520220, 53040440]

約数ペア:

[(1, 53040440), (2, 26520220), (4, 13260110), (5, 10608088), (8, 6630055), (10, 5304044), (20, 2652022), (40, 1326011), (47, 1128520), (89, 595960), (94, 564260), (178, 297980), (188, 282130), (235, 225704), (317, 167320), (356, 148990), (376, 141065), (445, 119192), (470, 112852), (634, 83660), (712, 74495), (890, 59596), (940, 56426), (1268, 41830), (1585, 33464), (1780, 29798), (1880, 28213), (2536, 20915), (3170, 16732), (3560, 14899), (4183, 12680), (6340, 8366)]