80781610520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5903}}^1\times {\mathrm{26317}}^1$

素因数の和:32244

約数の個数: 64

約数和(自身を含む): 195780654720

約数和(自身を除く): 114999044200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 5903, 11806, 23612, 26317, 29515, 47224, 52634, 59030, 76739, 105268, 118060, 131585, 153478, 210536, 236120, 263170, 306956, 342121, 383695, 526340, 613912, 684242, 767390, 1052680, 1368484, 1534780, 1710605, 2736968, 3069560, 3421210, 6842420, 13684840, 155349251, 310698502, 621397004, 776746255, 1242794008, 1553492510, 2019540263, 3106985020, 4039080526, 6213970040, 8078161052, 10097701315, 16156322104, 20195402630, 40390805260, 80781610520]

約数ペア:

[(1, 80781610520), (2, 40390805260), (4, 20195402630), (5, 16156322104), (8, 10097701315), (10, 8078161052), (13, 6213970040), (20, 4039080526), (26, 3106985020), (40, 2019540263), (52, 1553492510), (65, 1242794008), (104, 776746255), (130, 621397004), (260, 310698502), (520, 155349251), (5903, 13684840), (11806, 6842420), (23612, 3421210), (26317, 3069560), (29515, 2736968), (47224, 1710605), (52634, 1534780), (59030, 1368484), (76739, 1052680), (105268, 767390), (118060, 684242), (131585, 613912), (153478, 526340), (210536, 383695), (236120, 342121), (263170, 306956)]