22160080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 55353600

約数和(自身を除く): 33193520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 239, 244, 304, 305, 380, 478, 488, 610, 760, 956, 976, 1159, 1195, 1220, 1520, 1912, 2318, 2390, 2440, 3824, 4541, 4636, 4780, 4880, 5795, 9082, 9272, 9560, 11590, 14579, 18164, 18544, 19120, 22705, 23180, 29158, 36328, 45410, 46360, 58316, 72656, 72895, 90820, 92720, 116632, 145790, 181640, 233264, 277001, 291580, 363280, 554002, 583160, 1108004, 1166320, 1385005, 2216008, 2770010, 4432016, 5540020, 11080040, 22160080]

約数ペア:

[(1, 22160080), (2, 11080040), (4, 5540020), (5, 4432016), (8, 2770010), (10, 2216008), (16, 1385005), (19, 1166320), (20, 1108004), (38, 583160), (40, 554002), (61, 363280), (76, 291580), (80, 277001), (95, 233264), (122, 181640), (152, 145790), (190, 116632), (239, 92720), (244, 90820), (304, 72895), (305, 72656), (380, 58316), (478, 46360), (488, 45410), (610, 36328), (760, 29158), (956, 23180), (976, 22705), (1159, 19120), (1195, 18544), (1220, 18164), (1520, 14579), (1912, 11590), (2318, 9560), (2390, 9272), (2440, 9082), (3824, 5795), (4541, 4880), (4636, 4780)]