13305889820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{41761}}^1$

素因数の和:42038

約数の個数: 48

約数和(自身を含む): 28414864800

約数和(自身を除く): 15108974980

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 179, 356, 358, 445, 716, 890, 895, 1780, 1790, 3580, 15931, 31862, 41761, 63724, 79655, 83522, 159310, 167044, 208805, 318620, 417610, 835220, 3716729, 7433458, 7475219, 14866916, 14950438, 18583645, 29900876, 37167290, 37376095, 74334580, 74752190, 149504380, 665294491, 1330588982, 2661177964, 3326472455, 6652944910, 13305889820]

約数ペア:

[(1, 13305889820), (2, 6652944910), (4, 3326472455), (5, 2661177964), (10, 1330588982), (20, 665294491), (89, 149504380), (178, 74752190), (179, 74334580), (356, 37376095), (358, 37167290), (445, 29900876), (716, 18583645), (890, 14950438), (895, 14866916), (1780, 7475219), (1790, 7433458), (3580, 3716729), (15931, 835220), (31862, 417610), (41761, 318620), (63724, 208805), (79655, 167044), (83522, 159310)]