72818590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{15139}}^1$

素因数の和:15196

約数の個数: 32

約数和(自身を含む): 144980640

約数和(自身を除く): 72162050

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 15139, 30278, 75695, 151390, 196807, 393614, 560143, 984035, 1120286, 1968070, 2800715, 5601430, 7281859, 14563718, 36409295, 72818590]

約数ペア:

[(1, 72818590), (2, 36409295), (5, 14563718), (10, 7281859), (13, 5601430), (26, 2800715), (37, 1968070), (65, 1120286), (74, 984035), (130, 560143), (185, 393614), (370, 196807), (481, 151390), (962, 75695), (2405, 30278), (4810, 15139)]