38631340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1973}}^1$

素因数の和:2082

約数の個数: 48

約数和(自身を含む): 89540640

約数和(自身を除く): 50909300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 1973, 3916, 3946, 4895, 7892, 9790, 9865, 19580, 19730, 21703, 39460, 43406, 86812, 108515, 175597, 217030, 351194, 434060, 702388, 877985, 1755970, 1931567, 3511940, 3863134, 7726268, 9657835, 19315670, 38631340]

約数ペア:

[(1, 38631340), (2, 19315670), (4, 9657835), (5, 7726268), (10, 3863134), (11, 3511940), (20, 1931567), (22, 1755970), (44, 877985), (55, 702388), (89, 434060), (110, 351194), (178, 217030), (220, 175597), (356, 108515), (445, 86812), (890, 43406), (979, 39460), (1780, 21703), (1958, 19730), (1973, 19580), (3916, 9865), (3946, 9790), (4895, 7892)]