25335440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1433}}^1$

素因数の和:1476

約数の個数: 80

約数和(自身を含む): 67214448

約数和(自身を除く): 41879008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1433, 1768, 2210, 2866, 3536, 4420, 5732, 7165, 8840, 11464, 14330, 17680, 18629, 22928, 24361, 28660, 37258, 48722, 57320, 74516, 93145, 97444, 114640, 121805, 149032, 186290, 194888, 243610, 298064, 316693, 372580, 389776, 487220, 633386, 745160, 974440, 1266772, 1490320, 1583465, 1948880, 2533544, 3166930, 5067088, 6333860, 12667720, 25335440]

約数ペア:

[(1, 25335440), (2, 12667720), (4, 6333860), (5, 5067088), (8, 3166930), (10, 2533544), (13, 1948880), (16, 1583465), (17, 1490320), (20, 1266772), (26, 974440), (34, 745160), (40, 633386), (52, 487220), (65, 389776), (68, 372580), (80, 316693), (85, 298064), (104, 243610), (130, 194888), (136, 186290), (170, 149032), (208, 121805), (221, 114640), (260, 97444), (272, 93145), (340, 74516), (442, 57320), (520, 48722), (680, 37258), (884, 28660), (1040, 24361), (1105, 22928), (1360, 18629), (1433, 17680), (1768, 14330), (2210, 11464), (2866, 8840), (3536, 7165), (4420, 5732)]