39219440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{877}}^1$

素因数の和:946

約数の個数: 80

約数和(自身を含む): 100597728

約数和(自身を除く): 61378288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 877, 1040, 1118, 1720, 1754, 2236, 2795, 3440, 3508, 4385, 4472, 5590, 7016, 8770, 8944, 11180, 11401, 14032, 17540, 22360, 22802, 35080, 37711, 44720, 45604, 57005, 70160, 75422, 91208, 114010, 150844, 182416, 188555, 228020, 301688, 377110, 456040, 490243, 603376, 754220, 912080, 980486, 1508440, 1960972, 2451215, 3016880, 3921944, 4902430, 7843888, 9804860, 19609720, 39219440]

約数ペア:

[(1, 39219440), (2, 19609720), (4, 9804860), (5, 7843888), (8, 4902430), (10, 3921944), (13, 3016880), (16, 2451215), (20, 1960972), (26, 1508440), (40, 980486), (43, 912080), (52, 754220), (65, 603376), (80, 490243), (86, 456040), (104, 377110), (130, 301688), (172, 228020), (208, 188555), (215, 182416), (260, 150844), (344, 114010), (430, 91208), (520, 75422), (559, 70160), (688, 57005), (860, 45604), (877, 44720), (1040, 37711), (1118, 35080), (1720, 22802), (1754, 22360), (2236, 17540), (2795, 14032), (3440, 11401), (3508, 11180), (4385, 8944), (4472, 8770), (5590, 7016)]