64440940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4519}}^1$

素因数の和:4582

約数の個数: 48

約数和(自身を含む): 145797120

約数和(自身を除く): 81356180

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1426, 2852, 3565, 4519, 7130, 9038, 14260, 18076, 22595, 45190, 90380, 103937, 140089, 207874, 280178, 415748, 519685, 560356, 700445, 1039370, 1400890, 2078740, 2801780, 3222047, 6444094, 12888188, 16110235, 32220470, 64440940]

約数ペア:

[(1, 64440940), (2, 32220470), (4, 16110235), (5, 12888188), (10, 6444094), (20, 3222047), (23, 2801780), (31, 2078740), (46, 1400890), (62, 1039370), (92, 700445), (115, 560356), (124, 519685), (155, 415748), (230, 280178), (310, 207874), (460, 140089), (620, 103937), (713, 90380), (1426, 45190), (2852, 22595), (3565, 18076), (4519, 14260), (7130, 9038)]