13283920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 34029072

約数和(自身を除く): 20745152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 241, 260, 265, 424, 482, 520, 530, 689, 848, 964, 1040, 1060, 1205, 1378, 1928, 2120, 2410, 2756, 3133, 3445, 3856, 4240, 4820, 5512, 6266, 6890, 9640, 11024, 12532, 12773, 13780, 15665, 19280, 25064, 25546, 27560, 31330, 50128, 51092, 55120, 62660, 63865, 102184, 125320, 127730, 166049, 204368, 250640, 255460, 332098, 510920, 664196, 830245, 1021840, 1328392, 1660490, 2656784, 3320980, 6641960, 13283920]

約数ペア:

[(1, 13283920), (2, 6641960), (4, 3320980), (5, 2656784), (8, 1660490), (10, 1328392), (13, 1021840), (16, 830245), (20, 664196), (26, 510920), (40, 332098), (52, 255460), (53, 250640), (65, 204368), (80, 166049), (104, 127730), (106, 125320), (130, 102184), (208, 63865), (212, 62660), (241, 55120), (260, 51092), (265, 50128), (424, 31330), (482, 27560), (520, 25546), (530, 25064), (689, 19280), (848, 15665), (964, 13780), (1040, 12773), (1060, 12532), (1205, 11024), (1378, 9640), (1928, 6890), (2120, 6266), (2410, 5512), (2756, 4820), (3133, 4240), (3445, 3856)]