1027229440

素因数分解:

$2^8\times 5^1\times {\mathrm{802523}}^1$

素因数の和:802544

約数の個数: 36

約数和(自身を含む): 2460538584

約数和(自身を除く): 1433309144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 802523, 1605046, 3210092, 4012615, 6420184, 8025230, 12840368, 16050460, 25680736, 32100920, 51361472, 64201840, 102722944, 128403680, 205445888, 256807360, 513614720, 1027229440]

約数ペア:

[(1, 1027229440), (2, 513614720), (4, 256807360), (5, 205445888), (8, 128403680), (10, 102722944), (16, 64201840), (20, 51361472), (32, 32100920), (40, 25680736), (64, 16050460), (80, 12840368), (128, 8025230), (160, 6420184), (256, 4012615), (320, 3210092), (640, 1605046), (1280, 802523)]