40721590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{613}}^1$

素因数の和:713

約数の個数: 64

約数和(自身を含む): 91598976

約数和(自身を除く): 50877386

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 73, 91, 130, 146, 182, 365, 455, 511, 613, 730, 910, 949, 1022, 1226, 1898, 2555, 3065, 4291, 4745, 5110, 6130, 6643, 7969, 8582, 9490, 13286, 15938, 21455, 33215, 39845, 42910, 44749, 55783, 66430, 79690, 89498, 111566, 223745, 278915, 313243, 447490, 557830, 581737, 626486, 1163474, 1566215, 2908685, 3132430, 4072159, 5817370, 8144318, 20360795, 40721590]

約数ペア:

[(1, 40721590), (2, 20360795), (5, 8144318), (7, 5817370), (10, 4072159), (13, 3132430), (14, 2908685), (26, 1566215), (35, 1163474), (65, 626486), (70, 581737), (73, 557830), (91, 447490), (130, 313243), (146, 278915), (182, 223745), (365, 111566), (455, 89498), (511, 79690), (613, 66430), (730, 55783), (910, 44749), (949, 42910), (1022, 39845), (1226, 33215), (1898, 21455), (2555, 15938), (3065, 13286), (4291, 9490), (4745, 8582), (5110, 7969), (6130, 6643)]