40198980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15581}}^1$

素因数の和:15636

約数の個数: 48

約数和(自身を含む): 115182144

約数和(自身を除く): 74983164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 15581, 31162, 46743, 62324, 77905, 93486, 155810, 186972, 233715, 311620, 467430, 669983, 934860, 1339966, 2009949, 2679932, 3349915, 4019898, 6699830, 8039796, 10049745, 13399660, 20099490, 40198980]

約数ペア:

[(1, 40198980), (2, 20099490), (3, 13399660), (4, 10049745), (5, 8039796), (6, 6699830), (10, 4019898), (12, 3349915), (15, 2679932), (20, 2009949), (30, 1339966), (43, 934860), (60, 669983), (86, 467430), (129, 311620), (172, 233715), (215, 186972), (258, 155810), (430, 93486), (516, 77905), (645, 62324), (860, 46743), (1290, 31162), (2580, 15581)]