78419680

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5507}}^1$

素因数の和:5611

約数の個数: 48

約数和(自身を含む): 187382160

約数和(自身を除く): 108962480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 5507, 7120, 11014, 14240, 22028, 27535, 44056, 55070, 88112, 110140, 176224, 220280, 440560, 490123, 881120, 980246, 1960492, 2450615, 3920984, 4901230, 7841968, 9802460, 15683936, 19604920, 39209840, 78419680]

約数ペア:

[(1, 78419680), (2, 39209840), (4, 19604920), (5, 15683936), (8, 9802460), (10, 7841968), (16, 4901230), (20, 3920984), (32, 2450615), (40, 1960492), (80, 980246), (89, 881120), (160, 490123), (178, 440560), (356, 220280), (445, 176224), (712, 110140), (890, 88112), (1424, 55070), (1780, 44056), (2848, 27535), (3560, 22028), (5507, 14240), (7120, 11014)]