20161255790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{82013}}^1$

素因数の和:82125

約数の個数: 64

約数和(自身を含む): 41004375552

約数和(自身を除く): 20843119762

約数列:

[1, 2, 5, 10, 13, 26, 31, 61, 62, 65, 122, 130, 155, 305, 310, 403, 610, 793, 806, 1586, 1891, 2015, 3782, 3965, 4030, 7930, 9455, 18910, 24583, 49166, 82013, 122915, 164026, 245830, 410065, 820130, 1066169, 2132338, 2542403, 5002793, 5084806, 5330845, 10005586, 10661690, 12712015, 25013965, 25424030, 33051239, 50027930, 65036309, 66102478, 130072618, 155086583, 165256195, 310173166, 325181545, 330512390, 650363090, 775432915, 1550865830, 2016125579, 4032251158, 10080627895, 20161255790]

約数ペア:

[(1, 20161255790), (2, 10080627895), (5, 4032251158), (10, 2016125579), (13, 1550865830), (26, 775432915), (31, 650363090), (61, 330512390), (62, 325181545), (65, 310173166), (122, 165256195), (130, 155086583), (155, 130072618), (305, 66102478), (310, 65036309), (403, 50027930), (610, 33051239), (793, 25424030), (806, 25013965), (1586, 12712015), (1891, 10661690), (2015, 10005586), (3782, 5330845), (3965, 5084806), (4030, 5002793), (7930, 2542403), (9455, 2132338), (18910, 1066169), (24583, 820130), (49166, 410065), (82013, 245830), (122915, 164026)]