25680268

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 49871808

約数和(自身を除く): 24191540

約数列:

[1, 2, 4, 17, 34, 41, 61, 68, 82, 122, 151, 164, 244, 302, 604, 697, 1037, 1394, 2074, 2501, 2567, 2788, 4148, 5002, 5134, 6191, 9211, 10004, 10268, 12382, 18422, 24764, 36844, 42517, 85034, 105247, 156587, 170068, 210494, 313174, 377651, 420988, 626348, 755302, 1510604, 6420067, 12840134, 25680268]

約数ペア:

[(1, 25680268), (2, 12840134), (4, 6420067), (17, 1510604), (34, 755302), (41, 626348), (61, 420988), (68, 377651), (82, 313174), (122, 210494), (151, 170068), (164, 156587), (244, 105247), (302, 85034), (604, 42517), (697, 36844), (1037, 24764), (1394, 18422), (2074, 12382), (2501, 10268), (2567, 10004), (2788, 9211), (4148, 6191), (5002, 5134)]