2178784400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{418997}}^1$

素因数の和:419028

約数の個数: 60

約数和(自身を含む): 5637199092

約数和(自身を除く): 3458414692

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 418997, 837994, 1675988, 2094985, 3351976, 4189970, 5446961, 6703952, 8379940, 10474925, 10893922, 16759880, 20949850, 21787844, 27234805, 33519760, 41899700, 43575688, 54469610, 83799400, 87151376, 108939220, 136174025, 167598800, 217878440, 272348050, 435756880, 544696100, 1089392200, 2178784400]

約数ペア:

[(1, 2178784400), (2, 1089392200), (4, 544696100), (5, 435756880), (8, 272348050), (10, 217878440), (13, 167598800), (16, 136174025), (20, 108939220), (25, 87151376), (26, 83799400), (40, 54469610), (50, 43575688), (52, 41899700), (65, 33519760), (80, 27234805), (100, 21787844), (104, 20949850), (130, 16759880), (200, 10893922), (208, 10474925), (260, 8379940), (325, 6703952), (400, 5446961), (520, 4189970), (650, 3351976), (1040, 2094985), (1300, 1675988), (2600, 837994), (5200, 418997)]