72467980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1669}}^1$

素因数の和:1858

約数の個数: 48

約数和(自身を含む): 164969280

約数和(自身を除く): 92501300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 167, 260, 334, 668, 835, 1669, 1670, 2171, 3338, 3340, 4342, 6676, 8345, 8684, 10855, 16690, 21697, 21710, 33380, 43394, 43420, 86788, 108485, 216970, 278723, 433940, 557446, 1114892, 1393615, 2787230, 3623399, 5574460, 7246798, 14493596, 18116995, 36233990, 72467980]

約数ペア:

[(1, 72467980), (2, 36233990), (4, 18116995), (5, 14493596), (10, 7246798), (13, 5574460), (20, 3623399), (26, 2787230), (52, 1393615), (65, 1114892), (130, 557446), (167, 433940), (260, 278723), (334, 216970), (668, 108485), (835, 86788), (1669, 43420), (1670, 43394), (2171, 33380), (3338, 21710), (3340, 21697), (4342, 16690), (6676, 10855), (8345, 8684)]