28904560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{683}}^1$

素因数の和:742

約数の個数: 60

約数和(自身を含む): 70354872

約数和(自身を除く): 41450312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 529, 683, 920, 1058, 1366, 1840, 2116, 2645, 2732, 3415, 4232, 5290, 5464, 6830, 8464, 10580, 10928, 13660, 15709, 21160, 27320, 31418, 42320, 54640, 62836, 78545, 125672, 157090, 251344, 314180, 361307, 628360, 722614, 1256720, 1445228, 1806535, 2890456, 3613070, 5780912, 7226140, 14452280, 28904560]

約数ペア:

[(1, 28904560), (2, 14452280), (4, 7226140), (5, 5780912), (8, 3613070), (10, 2890456), (16, 1806535), (20, 1445228), (23, 1256720), (40, 722614), (46, 628360), (80, 361307), (92, 314180), (115, 251344), (184, 157090), (230, 125672), (368, 78545), (460, 62836), (529, 54640), (683, 42320), (920, 31418), (1058, 27320), (1366, 21160), (1840, 15709), (2116, 13660), (2645, 10928), (2732, 10580), (3415, 8464), (4232, 6830), (5290, 5464)]