25436420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{947}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 57335040

約数和(自身を除く): 31898620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 947, 1343, 1580, 1894, 2686, 3788, 4735, 5372, 6715, 9470, 13430, 16099, 18940, 26860, 32198, 64396, 74813, 80495, 149626, 160990, 299252, 321980, 374065, 748130, 1271821, 1496260, 2543642, 5087284, 6359105, 12718210, 25436420]

約数ペア:

[(1, 25436420), (2, 12718210), (4, 6359105), (5, 5087284), (10, 2543642), (17, 1496260), (20, 1271821), (34, 748130), (68, 374065), (79, 321980), (85, 299252), (158, 160990), (170, 149626), (316, 80495), (340, 74813), (395, 64396), (790, 32198), (947, 26860), (1343, 18940), (1580, 16099), (1894, 13430), (2686, 9470), (3788, 6715), (4735, 5372)]