22279640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 53300160

約数和(自身を除く): 31020520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 397, 460, 488, 610, 794, 920, 1220, 1403, 1588, 1985, 2440, 2806, 3176, 3970, 5612, 7015, 7940, 9131, 11224, 14030, 15880, 18262, 24217, 28060, 36524, 45655, 48434, 56120, 73048, 91310, 96868, 121085, 182620, 193736, 242170, 365240, 484340, 556991, 968680, 1113982, 2227964, 2784955, 4455928, 5569910, 11139820, 22279640]

約数ペア:

[(1, 22279640), (2, 11139820), (4, 5569910), (5, 4455928), (8, 2784955), (10, 2227964), (20, 1113982), (23, 968680), (40, 556991), (46, 484340), (61, 365240), (92, 242170), (115, 193736), (122, 182620), (184, 121085), (230, 96868), (244, 91310), (305, 73048), (397, 56120), (460, 48434), (488, 45655), (610, 36524), (794, 28060), (920, 24217), (1220, 18262), (1403, 15880), (1588, 14030), (1985, 11224), (2440, 9131), (2806, 7940), (3176, 7015), (3970, 5612)]