6641960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 16465680

約数和(自身を除く): 9823720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 241, 260, 265, 424, 482, 520, 530, 689, 964, 1060, 1205, 1378, 1928, 2120, 2410, 2756, 3133, 3445, 4820, 5512, 6266, 6890, 9640, 12532, 12773, 13780, 15665, 25064, 25546, 27560, 31330, 51092, 62660, 63865, 102184, 125320, 127730, 166049, 255460, 332098, 510920, 664196, 830245, 1328392, 1660490, 3320980, 6641960]

約数ペア:

[(1, 6641960), (2, 3320980), (4, 1660490), (5, 1328392), (8, 830245), (10, 664196), (13, 510920), (20, 332098), (26, 255460), (40, 166049), (52, 127730), (53, 125320), (65, 102184), (104, 63865), (106, 62660), (130, 51092), (212, 31330), (241, 27560), (260, 25546), (265, 25064), (424, 15665), (482, 13780), (520, 12773), (530, 12532), (689, 9640), (964, 6890), (1060, 6266), (1205, 5512), (1378, 4820), (1928, 3445), (2120, 3133), (2410, 2756)]