25306840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1187}}^1$

素因数の和:1252

約数の個数: 64

約数和(自身を含む): 62868960

約数和(自身を除く): 37562120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1187, 1640, 2132, 2374, 2665, 4264, 4748, 5330, 5935, 9496, 10660, 11870, 15431, 21320, 23740, 30862, 47480, 48667, 61724, 77155, 97334, 123448, 154310, 194668, 243335, 308620, 389336, 486670, 617240, 632671, 973340, 1265342, 1946680, 2530684, 3163355, 5061368, 6326710, 12653420, 25306840]

約数ペア:

[(1, 25306840), (2, 12653420), (4, 6326710), (5, 5061368), (8, 3163355), (10, 2530684), (13, 1946680), (20, 1265342), (26, 973340), (40, 632671), (41, 617240), (52, 486670), (65, 389336), (82, 308620), (104, 243335), (130, 194668), (164, 154310), (205, 123448), (260, 97334), (328, 77155), (410, 61724), (520, 48667), (533, 47480), (820, 30862), (1066, 23740), (1187, 21320), (1640, 15431), (2132, 11870), (2374, 10660), (2665, 9496), (4264, 5935), (4748, 5330)]