13215020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 35054208

約数和(自身を除く): 21839188

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 53, 65, 70, 91, 106, 130, 137, 140, 182, 212, 260, 265, 274, 364, 371, 455, 530, 548, 685, 689, 742, 910, 959, 1060, 1370, 1378, 1484, 1781, 1820, 1855, 1918, 2740, 2756, 3445, 3562, 3710, 3836, 4795, 4823, 6890, 7124, 7261, 7420, 8905, 9590, 9646, 12467, 13780, 14522, 17810, 19180, 19292, 24115, 24934, 29044, 35620, 36305, 48230, 49868, 50827, 62335, 72610, 94393, 96460, 101654, 124670, 145220, 188786, 203308, 249340, 254135, 377572, 471965, 508270, 660751, 943930, 1016540, 1321502, 1887860, 2643004, 3303755, 6607510, 13215020]

約数ペア:

[(1, 13215020), (2, 6607510), (4, 3303755), (5, 2643004), (7, 1887860), (10, 1321502), (13, 1016540), (14, 943930), (20, 660751), (26, 508270), (28, 471965), (35, 377572), (52, 254135), (53, 249340), (65, 203308), (70, 188786), (91, 145220), (106, 124670), (130, 101654), (137, 96460), (140, 94393), (182, 72610), (212, 62335), (260, 50827), (265, 49868), (274, 48230), (364, 36305), (371, 35620), (455, 29044), (530, 24934), (548, 24115), (685, 19292), (689, 19180), (742, 17810), (910, 14522), (959, 13780), (1060, 12467), (1370, 9646), (1378, 9590), (1484, 8905), (1781, 7420), (1820, 7261), (1855, 7124), (1918, 6890), (2740, 4823), (2756, 4795), (3445, 3836), (3562, 3710)]