31476520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1129}}^1$

素因数の和:1198

約数の個数: 64

約数和(自身を含む): 76885200

約数和(自身を除く): 45408680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1129, 1394, 1640, 2258, 2788, 3485, 4516, 5576, 5645, 6970, 9032, 11290, 13940, 19193, 22580, 27880, 38386, 45160, 46289, 76772, 92578, 95965, 153544, 185156, 191930, 231445, 370312, 383860, 462890, 767720, 786913, 925780, 1573826, 1851560, 3147652, 3934565, 6295304, 7869130, 15738260, 31476520]

約数ペア:

[(1, 31476520), (2, 15738260), (4, 7869130), (5, 6295304), (8, 3934565), (10, 3147652), (17, 1851560), (20, 1573826), (34, 925780), (40, 786913), (41, 767720), (68, 462890), (82, 383860), (85, 370312), (136, 231445), (164, 191930), (170, 185156), (205, 153544), (328, 95965), (340, 92578), (410, 76772), (680, 46289), (697, 45160), (820, 38386), (1129, 27880), (1394, 22580), (1640, 19193), (2258, 13940), (2788, 11290), (3485, 9032), (4516, 6970), (5576, 5645)]