20188395440

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1\times {\mathrm{6653}}^1$

素因数の和:7206

約数の個数: 80

約数和(自身を含む): 47614639968

約数和(自身を除く): 27426244528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 457, 664, 830, 914, 1328, 1660, 1828, 2285, 3320, 3656, 4570, 6640, 6653, 7312, 9140, 13306, 18280, 26612, 33265, 36560, 37931, 53224, 66530, 75862, 106448, 133060, 151724, 189655, 266120, 303448, 379310, 532240, 552199, 606896, 758620, 1104398, 1517240, 2208796, 2760995, 3034480, 3040421, 4417592, 5521990, 6080842, 8835184, 11043980, 12161684, 15202105, 22087960, 24323368, 30404210, 44175920, 48646736, 60808420, 121616840, 243233680, 252354943, 504709886, 1009419772, 1261774715, 2018839544, 2523549430, 4037679088, 5047098860, 10094197720, 20188395440]

約数ペア:

[(1, 20188395440), (2, 10094197720), (4, 5047098860), (5, 4037679088), (8, 2523549430), (10, 2018839544), (16, 1261774715), (20, 1009419772), (40, 504709886), (80, 252354943), (83, 243233680), (166, 121616840), (332, 60808420), (415, 48646736), (457, 44175920), (664, 30404210), (830, 24323368), (914, 22087960), (1328, 15202105), (1660, 12161684), (1828, 11043980), (2285, 8835184), (3320, 6080842), (3656, 5521990), (4570, 4417592), (6640, 3040421), (6653, 3034480), (7312, 2760995), (9140, 2208796), (13306, 1517240), (18280, 1104398), (26612, 758620), (33265, 606896), (36560, 552199), (37931, 532240), (53224, 379310), (66530, 303448), (75862, 266120), (106448, 189655), (133060, 151724)]