20211196160

素因数分解:

$2^8\times 5^1\times {\mathrm{15789997}}^1$

素因数の和:15790018

約数の個数: 36

約数和(自身を含む): 48412133868

約数和(自身を除く): 28200937708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 15789997, 31579994, 63159988, 78949985, 126319976, 157899970, 252639952, 315799940, 505279904, 631599880, 1010559808, 1263199760, 2021119616, 2526399520, 4042239232, 5052799040, 10105598080, 20211196160]

約数ペア:

[(1, 20211196160), (2, 10105598080), (4, 5052799040), (5, 4042239232), (8, 2526399520), (10, 2021119616), (16, 1263199760), (20, 1010559808), (32, 631599880), (40, 505279904), (64, 315799940), (80, 252639952), (128, 157899970), (160, 126319976), (256, 78949985), (320, 63159988), (640, 31579994), (1280, 15789997)]