73649720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25933}}^1$

素因数の和:26015

約数の個数: 32

約数和(自身を含む): 168052320

約数和(自身を除く): 94402600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 25933, 51866, 103732, 129665, 207464, 259330, 518660, 1037320, 1841243, 3682486, 7364972, 9206215, 14729944, 18412430, 36824860, 73649720]

約数ペア:

[(1, 73649720), (2, 36824860), (4, 18412430), (5, 14729944), (8, 9206215), (10, 7364972), (20, 3682486), (40, 1841243), (71, 1037320), (142, 518660), (284, 259330), (355, 207464), (568, 129665), (710, 103732), (1420, 51866), (2840, 25933)]