51357800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19753}}^1$

素因数の和:19782

約数の個数: 48

約数和(自身を含む): 128598540

約数和(自身を除く): 77240740

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 19753, 39506, 79012, 98765, 158024, 197530, 256789, 395060, 493825, 513578, 790120, 987650, 1027156, 1283945, 1975300, 2054312, 2567890, 3950600, 5135780, 6419725, 10271560, 12839450, 25678900, 51357800]

約数ペア:

[(1, 51357800), (2, 25678900), (4, 12839450), (5, 10271560), (8, 6419725), (10, 5135780), (13, 3950600), (20, 2567890), (25, 2054312), (26, 1975300), (40, 1283945), (50, 1027156), (52, 987650), (65, 790120), (100, 513578), (104, 493825), (130, 395060), (200, 256789), (260, 197530), (325, 158024), (520, 98765), (650, 79012), (1300, 39506), (2600, 19753)]