65325040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3907}}^1$

素因数の和:3950

約数の個数: 80

約数和(自身を含む): 174453120

約数和(自身を除く): 109128080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 3907, 4180, 7814, 8360, 15628, 16720, 19535, 31256, 39070, 42977, 62512, 74233, 78140, 85954, 148466, 156280, 171908, 214885, 296932, 312560, 343816, 371165, 429770, 593864, 687632, 742330, 816563, 859540, 1187728, 1484660, 1633126, 1719080, 2969320, 3266252, 3438160, 4082815, 5938640, 6532504, 8165630, 13065008, 16331260, 32662520, 65325040]

約数ペア:

[(1, 65325040), (2, 32662520), (4, 16331260), (5, 13065008), (8, 8165630), (10, 6532504), (11, 5938640), (16, 4082815), (19, 3438160), (20, 3266252), (22, 2969320), (38, 1719080), (40, 1633126), (44, 1484660), (55, 1187728), (76, 859540), (80, 816563), (88, 742330), (95, 687632), (110, 593864), (152, 429770), (176, 371165), (190, 343816), (209, 312560), (220, 296932), (304, 214885), (380, 171908), (418, 156280), (440, 148466), (760, 85954), (836, 78140), (880, 74233), (1045, 62512), (1520, 42977), (1672, 39070), (2090, 31256), (3344, 19535), (3907, 16720), (4180, 15628), (7814, 8360)]