88708640

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^2\times {\mathrm{149}}^1$

素因数の和:286

約数の個数: 72

約数和(自身を含む): 214496100

約数和(自身を除く): 125787460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 149, 160, 244, 298, 305, 488, 596, 610, 745, 976, 1192, 1220, 1490, 1952, 2384, 2440, 2980, 3721, 4768, 4880, 5960, 7442, 9089, 9760, 11920, 14884, 18178, 18605, 23840, 29768, 36356, 37210, 45445, 59536, 72712, 74420, 90890, 119072, 145424, 148840, 181780, 290848, 297680, 363560, 554429, 595360, 727120, 1108858, 1454240, 2217716, 2772145, 4435432, 5544290, 8870864, 11088580, 17741728, 22177160, 44354320, 88708640]

約数ペア:

[(1, 88708640), (2, 44354320), (4, 22177160), (5, 17741728), (8, 11088580), (10, 8870864), (16, 5544290), (20, 4435432), (32, 2772145), (40, 2217716), (61, 1454240), (80, 1108858), (122, 727120), (149, 595360), (160, 554429), (244, 363560), (298, 297680), (305, 290848), (488, 181780), (596, 148840), (610, 145424), (745, 119072), (976, 90890), (1192, 74420), (1220, 72712), (1490, 59536), (1952, 45445), (2384, 37210), (2440, 36356), (2980, 29768), (3721, 23840), (4768, 18605), (4880, 18178), (5960, 14884), (7442, 11920), (9089, 9760)]