4081220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1427}}^1$

素因数の和:1460

約数の個数: 48

約数和(自身を含む): 10075968

約数和(自身を除く): 5994748

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1427, 1430, 2854, 2860, 5708, 7135, 14270, 15697, 18551, 28540, 31394, 37102, 62788, 74204, 78485, 92755, 156970, 185510, 204061, 313940, 371020, 408122, 816244, 1020305, 2040610, 4081220]

約数ペア:

[(1, 4081220), (2, 2040610), (4, 1020305), (5, 816244), (10, 408122), (11, 371020), (13, 313940), (20, 204061), (22, 185510), (26, 156970), (44, 92755), (52, 78485), (55, 74204), (65, 62788), (110, 37102), (130, 31394), (143, 28540), (220, 18551), (260, 15697), (286, 14270), (572, 7135), (715, 5708), (1427, 2860), (1430, 2854)]