2918487680

素因数分解:

$2^7\times 5^1\times {\mathrm{983}}^1\times {\mathrm{4639}}^1$

素因数の和:5641

約数の個数: 64

約数和(自身を含む): 6985612800

約数和(自身を除く): 4067125120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 983, 1966, 3932, 4639, 4915, 7864, 9278, 9830, 15728, 18556, 19660, 23195, 31456, 37112, 39320, 46390, 62912, 74224, 78640, 92780, 125824, 148448, 157280, 185560, 296896, 314560, 371120, 593792, 629120, 742240, 1484480, 2968960, 4560137, 9120274, 18240548, 22800685, 36481096, 45601370, 72962192, 91202740, 145924384, 182405480, 291848768, 364810960, 583697536, 729621920, 1459243840, 2918487680]

約数ペア:

[(1, 2918487680), (2, 1459243840), (4, 729621920), (5, 583697536), (8, 364810960), (10, 291848768), (16, 182405480), (20, 145924384), (32, 91202740), (40, 72962192), (64, 45601370), (80, 36481096), (128, 22800685), (160, 18240548), (320, 9120274), (640, 4560137), (983, 2968960), (1966, 1484480), (3932, 742240), (4639, 629120), (4915, 593792), (7864, 371120), (9278, 314560), (9830, 296896), (15728, 185560), (18556, 157280), (19660, 148448), (23195, 125824), (31456, 92780), (37112, 78640), (39320, 74224), (46390, 62912)]