28313560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 70048800

約数和(自身を除く): 41735240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 229, 281, 440, 458, 562, 916, 1124, 1145, 1405, 1832, 2248, 2290, 2519, 2810, 3091, 4580, 5038, 5620, 6182, 9160, 10076, 11240, 12364, 12595, 15455, 20152, 24728, 25190, 30910, 50380, 61820, 64349, 100760, 123640, 128698, 257396, 321745, 514792, 643490, 707839, 1286980, 1415678, 2573960, 2831356, 3539195, 5662712, 7078390, 14156780, 28313560]

約数ペア:

[(1, 28313560), (2, 14156780), (4, 7078390), (5, 5662712), (8, 3539195), (10, 2831356), (11, 2573960), (20, 1415678), (22, 1286980), (40, 707839), (44, 643490), (55, 514792), (88, 321745), (110, 257396), (220, 128698), (229, 123640), (281, 100760), (440, 64349), (458, 61820), (562, 50380), (916, 30910), (1124, 25190), (1145, 24728), (1405, 20152), (1832, 15455), (2248, 12595), (2290, 12364), (2519, 11240), (2810, 10076), (3091, 9160), (4580, 6182), (5038, 5620)]