64783420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2467}}^1$

素因数の和:2590

約数の個数: 48

約数和(自身を含む): 148020768

約数和(自身を除く): 83237348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 2020, 2467, 2626, 4934, 5252, 6565, 9868, 12335, 13130, 24670, 26260, 32071, 49340, 64142, 128284, 160355, 249167, 320710, 498334, 641420, 996668, 1245835, 2491670, 3239171, 4983340, 6478342, 12956684, 16195855, 32391710, 64783420]

約数ペア:

[(1, 64783420), (2, 32391710), (4, 16195855), (5, 12956684), (10, 6478342), (13, 4983340), (20, 3239171), (26, 2491670), (52, 1245835), (65, 996668), (101, 641420), (130, 498334), (202, 320710), (260, 249167), (404, 160355), (505, 128284), (1010, 64142), (1313, 49340), (2020, 32071), (2467, 26260), (2626, 24670), (4934, 13130), (5252, 12335), (6565, 9868)]