156744865720

素因数分解:

$2^3\times 5^1\times {\mathrm{98017}}^1\times {\mathrm{39979}}^1$

素因数の和:138007

約数の個数: 32

約数和(自身を含む): 352688367600

約数和(自身を除く): 195943501880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 39979, 79958, 98017, 159916, 196034, 199895, 319832, 392068, 399790, 490085, 784136, 799580, 980170, 1599160, 1960340, 3920680, 3918621643, 7837243286, 15674486572, 19593108215, 31348973144, 39186216430, 78372432860, 156744865720]

約数ペア:

[(1, 156744865720), (2, 78372432860), (4, 39186216430), (5, 31348973144), (8, 19593108215), (10, 15674486572), (20, 7837243286), (40, 3918621643), (39979, 3920680), (79958, 1960340), (98017, 1599160), (159916, 980170), (196034, 799580), (199895, 784136), (319832, 490085), (392068, 399790)]