132689968280

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1\times {\mathrm{81559}}^1$

素因数の和:82116

約数の個数: 64

約数和(自身を含む): 302571288000

約数和(自身を除く): 169881319720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 457, 712, 890, 914, 1780, 1828, 2285, 3560, 3656, 4570, 9140, 18280, 40673, 81346, 81559, 162692, 163118, 203365, 325384, 326236, 406730, 407795, 652472, 813460, 815590, 1626920, 1631180, 3262360, 7258751, 14517502, 29035004, 36293755, 37272463, 58070008, 72587510, 74544926, 145175020, 149089852, 186362315, 290350040, 298179704, 372724630, 745449260, 1490898520, 3317249207, 6634498414, 13268996828, 16586246035, 26537993656, 33172492070, 66344984140, 132689968280]

約数ペア:

[(1, 132689968280), (2, 66344984140), (4, 33172492070), (5, 26537993656), (8, 16586246035), (10, 13268996828), (20, 6634498414), (40, 3317249207), (89, 1490898520), (178, 745449260), (356, 372724630), (445, 298179704), (457, 290350040), (712, 186362315), (890, 149089852), (914, 145175020), (1780, 74544926), (1828, 72587510), (2285, 58070008), (3560, 37272463), (3656, 36293755), (4570, 29035004), (9140, 14517502), (18280, 7258751), (40673, 3262360), (81346, 1631180), (81559, 1626920), (162692, 815590), (163118, 813460), (203365, 652472), (325384, 407795), (326236, 406730)]