31568680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5519}}^1$

素因数の和:5554

約数の個数: 64

約数和(自身を含む): 83462400

約数和(自身を除く): 51893720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5519, 5720, 11038, 22076, 27595, 44152, 55190, 60709, 71747, 110380, 121418, 143494, 220760, 242836, 286988, 303545, 358735, 485672, 573976, 607090, 717470, 789217, 1214180, 1434940, 1578434, 2428360, 2869880, 3156868, 3946085, 6313736, 7892170, 15784340, 31568680]

約数ペア:

[(1, 31568680), (2, 15784340), (4, 7892170), (5, 6313736), (8, 3946085), (10, 3156868), (11, 2869880), (13, 2428360), (20, 1578434), (22, 1434940), (26, 1214180), (40, 789217), (44, 717470), (52, 607090), (55, 573976), (65, 485672), (88, 358735), (104, 303545), (110, 286988), (130, 242836), (143, 220760), (220, 143494), (260, 121418), (286, 110380), (440, 71747), (520, 60709), (572, 55190), (715, 44152), (1144, 27595), (1430, 22076), (2860, 11038), (5519, 5720)]