80651740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 196608384

約数和(自身を除く): 115956644

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 71, 85, 130, 142, 170, 221, 257, 260, 284, 340, 355, 442, 514, 710, 884, 923, 1028, 1105, 1207, 1285, 1420, 1846, 2210, 2414, 2570, 3341, 3692, 4369, 4420, 4615, 4828, 5140, 6035, 6682, 8738, 9230, 12070, 13364, 15691, 16705, 17476, 18247, 18460, 21845, 24140, 31382, 33410, 36494, 43690, 56797, 62764, 66820, 72988, 78455, 87380, 91235, 113594, 156910, 182470, 227188, 237211, 283985, 310199, 313820, 364940, 474422, 567970, 620398, 948844, 1135940, 1186055, 1240796, 1550995, 2372110, 3101990, 4032587, 4744220, 6203980, 8065174, 16130348, 20162935, 40325870, 80651740]

約数ペア:

[(1, 80651740), (2, 40325870), (4, 20162935), (5, 16130348), (10, 8065174), (13, 6203980), (17, 4744220), (20, 4032587), (26, 3101990), (34, 2372110), (52, 1550995), (65, 1240796), (68, 1186055), (71, 1135940), (85, 948844), (130, 620398), (142, 567970), (170, 474422), (221, 364940), (257, 313820), (260, 310199), (284, 283985), (340, 237211), (355, 227188), (442, 182470), (514, 156910), (710, 113594), (884, 91235), (923, 87380), (1028, 78455), (1105, 72988), (1207, 66820), (1285, 62764), (1420, 56797), (1846, 43690), (2210, 36494), (2414, 33410), (2570, 31382), (3341, 24140), (3692, 21845), (4369, 18460), (4420, 18247), (4615, 17476), (4828, 16705), (5140, 15691), (6035, 13364), (6682, 12070), (8738, 9230)]