71458720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14407}}^1$

素因数の和:14453

約数の個数: 48

約数和(自身を含む): 174279168

約数和(自身を除く): 102820448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 14407, 28814, 57628, 72035, 115256, 144070, 230512, 288140, 446617, 461024, 576280, 893234, 1152560, 1786468, 2233085, 2305120, 3572936, 4466170, 7145872, 8932340, 14291744, 17864680, 35729360, 71458720]

約数ペア:

[(1, 71458720), (2, 35729360), (4, 17864680), (5, 14291744), (8, 8932340), (10, 7145872), (16, 4466170), (20, 3572936), (31, 2305120), (32, 2233085), (40, 1786468), (62, 1152560), (80, 893234), (124, 576280), (155, 461024), (160, 446617), (248, 288140), (310, 230512), (496, 144070), (620, 115256), (992, 72035), (1240, 57628), (2480, 28814), (4960, 14407)]