80537080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2539}}^1$

素因数の和:2624

約数の個数: 64

約数和(自身を含む): 198424800

約数和(自身を除く): 117887720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 2440, 2539, 3172, 3965, 5078, 6344, 7930, 10156, 12695, 15860, 20312, 25390, 31720, 33007, 50780, 66014, 101560, 132028, 154879, 165035, 264056, 309758, 330070, 619516, 660140, 774395, 1239032, 1320280, 1548790, 2013427, 3097580, 4026854, 6195160, 8053708, 10067135, 16107416, 20134270, 40268540, 80537080]

約数ペア:

[(1, 80537080), (2, 40268540), (4, 20134270), (5, 16107416), (8, 10067135), (10, 8053708), (13, 6195160), (20, 4026854), (26, 3097580), (40, 2013427), (52, 1548790), (61, 1320280), (65, 1239032), (104, 774395), (122, 660140), (130, 619516), (244, 330070), (260, 309758), (305, 264056), (488, 165035), (520, 154879), (610, 132028), (793, 101560), (1220, 66014), (1586, 50780), (2440, 33007), (2539, 31720), (3172, 25390), (3965, 20312), (5078, 15860), (6344, 12695), (7930, 10156)]