55140280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5581}}^1$

素因数の和:5624

約数の個数: 64

約数和(自身を含む): 140666400

約数和(自身を除く): 85526120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 5581, 9880, 11162, 22324, 27905, 44648, 55810, 72553, 106039, 111620, 145106, 212078, 223240, 290212, 362765, 424156, 530195, 580424, 725530, 848312, 1060390, 1378507, 1451060, 2120780, 2757014, 2902120, 4241560, 5514028, 6892535, 11028056, 13785070, 27570140, 55140280]

約数ペア:

[(1, 55140280), (2, 27570140), (4, 13785070), (5, 11028056), (8, 6892535), (10, 5514028), (13, 4241560), (19, 2902120), (20, 2757014), (26, 2120780), (38, 1451060), (40, 1378507), (52, 1060390), (65, 848312), (76, 725530), (95, 580424), (104, 530195), (130, 424156), (152, 362765), (190, 290212), (247, 223240), (260, 212078), (380, 145106), (494, 111620), (520, 106039), (760, 72553), (988, 55810), (1235, 44648), (1976, 27905), (2470, 22324), (4940, 11162), (5581, 9880)]