201439760

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{6473}}^1$

素因数の和:6875

約数の個数: 40

約数和(自身を含む): 469623960

約数和(自身を除く): 268184200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 3112, 3890, 6224, 6473, 7780, 12946, 15560, 25892, 31120, 32365, 51784, 64730, 103568, 129460, 258920, 517840, 2517997, 5035994, 10071988, 12589985, 20143976, 25179970, 40287952, 50359940, 100719880, 201439760]

約数ペア:

[(1, 201439760), (2, 100719880), (4, 50359940), (5, 40287952), (8, 25179970), (10, 20143976), (16, 12589985), (20, 10071988), (40, 5035994), (80, 2517997), (389, 517840), (778, 258920), (1556, 129460), (1945, 103568), (3112, 64730), (3890, 51784), (6224, 32365), (6473, 31120), (7780, 25892), (12946, 15560)]