405179680

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{25073}}^1$

素因数の和:25189

約数の個数: 48

約数和(自身を含む): 966753144

約数和(自身を除く): 561573464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 8080, 16160, 25073, 50146, 100292, 125365, 200584, 250730, 401168, 501460, 802336, 1002920, 2005840, 2532373, 4011680, 5064746, 10129492, 12661865, 20258984, 25323730, 40517968, 50647460, 81035936, 101294920, 202589840, 405179680]

約数ペア:

[(1, 405179680), (2, 202589840), (4, 101294920), (5, 81035936), (8, 50647460), (10, 40517968), (16, 25323730), (20, 20258984), (32, 12661865), (40, 10129492), (80, 5064746), (101, 4011680), (160, 2532373), (202, 2005840), (404, 1002920), (505, 802336), (808, 501460), (1010, 401168), (1616, 250730), (2020, 200584), (3232, 125365), (4040, 100292), (8080, 50146), (16160, 25073)]