25036240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 63277200

約数和(自身を除く): 38240960

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, 449, 656, 680, 697, 820, 898, 1360, 1394, 1640, 1796, 2245, 2788, 3280, 3485, 3592, 4490, 5576, 6970, 7184, 7633, 8980, 11152, 13940, 15266, 17960, 18409, 27880, 30532, 35920, 36818, 38165, 55760, 61064, 73636, 76330, 92045, 122128, 147272, 152660, 184090, 294544, 305320, 312953, 368180, 610640, 625906, 736360, 1251812, 1472720, 1564765, 2503624, 3129530, 5007248, 6259060, 12518120, 25036240]

約数ペア:

[(1, 25036240), (2, 12518120), (4, 6259060), (5, 5007248), (8, 3129530), (10, 2503624), (16, 1564765), (17, 1472720), (20, 1251812), (34, 736360), (40, 625906), (41, 610640), (68, 368180), (80, 312953), (82, 305320), (85, 294544), (136, 184090), (164, 152660), (170, 147272), (205, 122128), (272, 92045), (328, 76330), (340, 73636), (410, 61064), (449, 55760), (656, 38165), (680, 36818), (697, 35920), (820, 30532), (898, 27880), (1360, 18409), (1394, 17960), (1640, 15266), (1796, 13940), (2245, 11152), (2788, 8980), (3280, 7633), (3485, 7184), (3592, 6970), (4490, 5576)]