520016120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{24391}}^1$

素因数の和:24456

約数の個数: 64

約数和(自身を含む): 1290824640

約数和(自身を除く): 770808520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 4264, 5330, 10660, 21320, 24391, 48782, 97564, 121955, 195128, 243910, 317083, 487820, 634166, 975640, 1000031, 1268332, 1585415, 2000062, 2536664, 3170830, 4000124, 5000155, 6341660, 8000248, 10000310, 12683320, 13000403, 20000620, 26000806, 40001240, 52001612, 65002015, 104003224, 130004030, 260008060, 520016120]

約数ペア:

[(1, 520016120), (2, 260008060), (4, 130004030), (5, 104003224), (8, 65002015), (10, 52001612), (13, 40001240), (20, 26000806), (26, 20000620), (40, 13000403), (41, 12683320), (52, 10000310), (65, 8000248), (82, 6341660), (104, 5000155), (130, 4000124), (164, 3170830), (205, 2536664), (260, 2000062), (328, 1585415), (410, 1268332), (520, 1000031), (533, 975640), (820, 634166), (1066, 487820), (1640, 317083), (2132, 243910), (2665, 195128), (4264, 121955), (5330, 97564), (10660, 48782), (21320, 24391)]