27801280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:234

約数の個数: 112

約数和(自身を含む): 73481184

約数和(自身を除く): 45679904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 130, 160, 163, 164, 205, 208, 260, 320, 326, 328, 410, 416, 520, 533, 652, 656, 815, 820, 832, 1040, 1066, 1304, 1312, 1630, 1640, 2080, 2119, 2132, 2608, 2624, 2665, 3260, 3280, 4160, 4238, 4264, 5216, 5330, 6520, 6560, 6683, 8476, 8528, 10432, 10595, 10660, 13040, 13120, 13366, 16952, 17056, 21190, 21320, 26080, 26732, 33415, 33904, 34112, 42380, 42640, 52160, 53464, 66830, 67808, 84760, 85280, 86879, 106928, 133660, 135616, 169520, 170560, 173758, 213856, 267320, 339040, 347516, 427712, 434395, 534640, 678080, 695032, 868790, 1069280, 1390064, 1737580, 2138560, 2780128, 3475160, 5560256, 6950320, 13900640, 27801280]

約数ペア:

[(1, 27801280), (2, 13900640), (4, 6950320), (5, 5560256), (8, 3475160), (10, 2780128), (13, 2138560), (16, 1737580), (20, 1390064), (26, 1069280), (32, 868790), (40, 695032), (41, 678080), (52, 534640), (64, 434395), (65, 427712), (80, 347516), (82, 339040), (104, 267320), (130, 213856), (160, 173758), (163, 170560), (164, 169520), (205, 135616), (208, 133660), (260, 106928), (320, 86879), (326, 85280), (328, 84760), (410, 67808), (416, 66830), (520, 53464), (533, 52160), (652, 42640), (656, 42380), (815, 34112), (820, 33904), (832, 33415), (1040, 26732), (1066, 26080), (1304, 21320), (1312, 21190), (1630, 17056), (1640, 16952), (2080, 13366), (2119, 13120), (2132, 13040), (2608, 10660), (2624, 10595), (2665, 10432), (3260, 8528), (3280, 8476), (4160, 6683), (4238, 6560), (4264, 6520), (5216, 5330)]