66125320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{521}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 157852800

約数和(自身を除く): 91727480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 167, 190, 334, 380, 521, 668, 760, 835, 1042, 1336, 1670, 2084, 2605, 3173, 3340, 4168, 5210, 6346, 6680, 9899, 10420, 12692, 15865, 19798, 20840, 25384, 31730, 39596, 49495, 63460, 79192, 87007, 98990, 126920, 174014, 197980, 348028, 395960, 435035, 696056, 870070, 1653133, 1740140, 3306266, 3480280, 6612532, 8265665, 13225064, 16531330, 33062660, 66125320]

約数ペア:

[(1, 66125320), (2, 33062660), (4, 16531330), (5, 13225064), (8, 8265665), (10, 6612532), (19, 3480280), (20, 3306266), (38, 1740140), (40, 1653133), (76, 870070), (95, 696056), (152, 435035), (167, 395960), (190, 348028), (334, 197980), (380, 174014), (521, 126920), (668, 98990), (760, 87007), (835, 79192), (1042, 63460), (1336, 49495), (1670, 39596), (2084, 31730), (2605, 25384), (3173, 20840), (3340, 19798), (4168, 15865), (5210, 12692), (6346, 10420), (6680, 9899)]