8643627320

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2227739}}^1$

素因数の和:2227847

約数の個数: 32

約数和(自身を含む): 19648666800

約数和(自身を除く): 11005039480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 2227739, 4455478, 8910956, 11138695, 17821912, 22277390, 44554780, 89109560, 216090683, 432181366, 864362732, 1080453415, 1728725464, 2160906830, 4321813660, 8643627320]

約数ペア:

[(1, 8643627320), (2, 4321813660), (4, 2160906830), (5, 1728725464), (8, 1080453415), (10, 864362732), (20, 432181366), (40, 216090683), (97, 89109560), (194, 44554780), (388, 22277390), (485, 17821912), (776, 11138695), (970, 8910956), (1940, 4455478), (3880, 2227739)]