90399680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{40357}}^1$

素因数の和:40381

約数の個数: 56

約数和(自身を含む): 246022368

約数和(自身を除く): 155622688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 40357, 80714, 161428, 201785, 282499, 322856, 403570, 564998, 645712, 807140, 1129996, 1291424, 1412495, 1614280, 2259992, 2582848, 2824990, 3228560, 4519984, 5649980, 6457120, 9039968, 11299960, 12914240, 18079936, 22599920, 45199840, 90399680]

約数ペア:

[(1, 90399680), (2, 45199840), (4, 22599920), (5, 18079936), (7, 12914240), (8, 11299960), (10, 9039968), (14, 6457120), (16, 5649980), (20, 4519984), (28, 3228560), (32, 2824990), (35, 2582848), (40, 2259992), (56, 1614280), (64, 1412495), (70, 1291424), (80, 1129996), (112, 807140), (140, 645712), (160, 564998), (224, 403570), (280, 322856), (320, 282499), (448, 201785), (560, 161428), (1120, 80714), (2240, 40357)]