99964020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{128159}}^1$

素因数の和:128184

約数の個数: 48

約数和(自身を含む): 301432320

約数和(自身を除く): 201468300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 128159, 256318, 384477, 512636, 640795, 768954, 1281590, 1537908, 1666067, 1922385, 2563180, 3332134, 3844770, 4998201, 6664268, 7689540, 8330335, 9996402, 16660670, 19992804, 24991005, 33321340, 49982010, 99964020]

約数ペア:

[(1, 99964020), (2, 49982010), (3, 33321340), (4, 24991005), (5, 19992804), (6, 16660670), (10, 9996402), (12, 8330335), (13, 7689540), (15, 6664268), (20, 4998201), (26, 3844770), (30, 3332134), (39, 2563180), (52, 1922385), (60, 1666067), (65, 1537908), (78, 1281590), (130, 768954), (156, 640795), (195, 512636), (260, 384477), (390, 256318), (780, 128159)]