2437840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1027

約数の個数: 40

約数和(自身を含む): 5856768

約数和(自身を除く): 3418928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 983, 1240, 1966, 2480, 3932, 4915, 7864, 9830, 15728, 19660, 30473, 39320, 60946, 78640, 121892, 152365, 243784, 304730, 487568, 609460, 1218920, 2437840]

約数ペア:

[(1, 2437840), (2, 1218920), (4, 609460), (5, 487568), (8, 304730), (10, 243784), (16, 152365), (20, 121892), (31, 78640), (40, 60946), (62, 39320), (80, 30473), (124, 19660), (155, 15728), (248, 9830), (310, 7864), (496, 4915), (620, 3932), (983, 2480), (1240, 1966)]