389628560

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{58679}}^1$

素因数の和:58775

約数の個数: 40

約数和(自身を含む): 916816320

約数和(自身を除く): 527187760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 58679, 117358, 234716, 293395, 469432, 586790, 938864, 1173580, 2347160, 4694320, 4870357, 9740714, 19481428, 24351785, 38962856, 48703570, 77925712, 97407140, 194814280, 389628560]

約数ペア:

[(1, 389628560), (2, 194814280), (4, 97407140), (5, 77925712), (8, 48703570), (10, 38962856), (16, 24351785), (20, 19481428), (40, 9740714), (80, 4870357), (83, 4694320), (166, 2347160), (332, 1173580), (415, 938864), (664, 586790), (830, 469432), (1328, 293395), (1660, 234716), (3320, 117358), (6640, 58679)]