2019764080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{7907}}^1$

素因数の和:8054

約数の個数: 80

約数和(自身を含む): 4895115264

約数和(自身を除く): 2875351184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 103, 124, 155, 206, 248, 310, 412, 496, 515, 620, 824, 1030, 1240, 1648, 2060, 2480, 3193, 4120, 6386, 7907, 8240, 12772, 15814, 15965, 25544, 31628, 31930, 39535, 51088, 63256, 63860, 79070, 126512, 127720, 158140, 245117, 255440, 316280, 490234, 632560, 814421, 980468, 1225585, 1628842, 1960936, 2451170, 3257684, 3921872, 4072105, 4902340, 6515368, 8144210, 9804680, 13030736, 16288420, 19609360, 25247051, 32576840, 50494102, 65153680, 100988204, 126235255, 201976408, 252470510, 403952816, 504941020, 1009882040, 2019764080]

約数ペア:

[(1, 2019764080), (2, 1009882040), (4, 504941020), (5, 403952816), (8, 252470510), (10, 201976408), (16, 126235255), (20, 100988204), (31, 65153680), (40, 50494102), (62, 32576840), (80, 25247051), (103, 19609360), (124, 16288420), (155, 13030736), (206, 9804680), (248, 8144210), (310, 6515368), (412, 4902340), (496, 4072105), (515, 3921872), (620, 3257684), (824, 2451170), (1030, 1960936), (1240, 1628842), (1648, 1225585), (2060, 980468), (2480, 814421), (3193, 632560), (4120, 490234), (6386, 316280), (7907, 255440), (8240, 245117), (12772, 158140), (15814, 127720), (15965, 126512), (25544, 79070), (31628, 63860), (31930, 63256), (39535, 51088)]