28574240

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{659}}^1$

素因数の和:945

約数の個数: 48

約数和(自身を含む): 67858560

約数和(自身を除く): 39284320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 659, 1084, 1318, 1355, 2168, 2636, 2710, 3295, 4336, 5272, 5420, 6590, 8672, 10544, 10840, 13180, 21088, 21680, 26360, 43360, 52720, 105440, 178589, 357178, 714356, 892945, 1428712, 1785890, 2857424, 3571780, 5714848, 7143560, 14287120, 28574240]

約数ペア:

[(1, 28574240), (2, 14287120), (4, 7143560), (5, 5714848), (8, 3571780), (10, 2857424), (16, 1785890), (20, 1428712), (32, 892945), (40, 714356), (80, 357178), (160, 178589), (271, 105440), (542, 52720), (659, 43360), (1084, 26360), (1318, 21680), (1355, 21088), (2168, 13180), (2636, 10840), (2710, 10544), (3295, 8672), (4336, 6590), (5272, 5420)]