139282520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4391}}^1$

素因数の和:4476

約数の個数: 64

約数和(自身を含む): 343103040

約数和(自身を除く): 203820520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 2440, 3172, 3965, 4391, 6344, 7930, 8782, 15860, 17564, 21955, 31720, 35128, 43910, 57083, 87820, 114166, 175640, 228332, 267851, 285415, 456664, 535702, 570830, 1071404, 1141660, 1339255, 2142808, 2283320, 2678510, 3482063, 5357020, 6964126, 10714040, 13928252, 17410315, 27856504, 34820630, 69641260, 139282520]

約数ペア:

[(1, 139282520), (2, 69641260), (4, 34820630), (5, 27856504), (8, 17410315), (10, 13928252), (13, 10714040), (20, 6964126), (26, 5357020), (40, 3482063), (52, 2678510), (61, 2283320), (65, 2142808), (104, 1339255), (122, 1141660), (130, 1071404), (244, 570830), (260, 535702), (305, 456664), (488, 285415), (520, 267851), (610, 228332), (793, 175640), (1220, 114166), (1586, 87820), (2440, 57083), (3172, 43910), (3965, 35128), (4391, 31720), (6344, 21955), (7930, 17564), (8782, 15860)]