31058320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:628

約数の個数: 80

約数和(自身を含む): 78463728

約数和(自身を除く): 47405408

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 328, 340, 410, 557, 656, 680, 697, 820, 1114, 1360, 1394, 1640, 2228, 2785, 2788, 3280, 3485, 4456, 5570, 5576, 6970, 8912, 9469, 11140, 11152, 13940, 18938, 22280, 22837, 27880, 37876, 44560, 45674, 47345, 55760, 75752, 91348, 94690, 114185, 151504, 182696, 189380, 228370, 365392, 378760, 388229, 456740, 757520, 776458, 913480, 1552916, 1826960, 1941145, 3105832, 3882290, 6211664, 7764580, 15529160, 31058320]

約数ペア:

[(1, 31058320), (2, 15529160), (4, 7764580), (5, 6211664), (8, 3882290), (10, 3105832), (16, 1941145), (17, 1826960), (20, 1552916), (34, 913480), (40, 776458), (41, 757520), (68, 456740), (80, 388229), (82, 378760), (85, 365392), (136, 228370), (164, 189380), (170, 182696), (205, 151504), (272, 114185), (328, 94690), (340, 91348), (410, 75752), (557, 55760), (656, 47345), (680, 45674), (697, 44560), (820, 37876), (1114, 27880), (1360, 22837), (1394, 22280), (1640, 18938), (2228, 13940), (2785, 11152), (2788, 11140), (3280, 9469), (3485, 8912), (4456, 6970), (5570, 5576)]