201968720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81439}}^1$

素因数の和:81483

約数の個数: 40

約数和(自身を含む): 484730880

約数和(自身を除く): 282762160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 81439, 162878, 325756, 407195, 651512, 814390, 1303024, 1628780, 2524609, 3257560, 5049218, 6515120, 10098436, 12623045, 20196872, 25246090, 40393744, 50492180, 100984360, 201968720]

約数ペア:

[(1, 201968720), (2, 100984360), (4, 50492180), (5, 40393744), (8, 25246090), (10, 20196872), (16, 12623045), (20, 10098436), (31, 6515120), (40, 5049218), (62, 3257560), (80, 2524609), (124, 1628780), (155, 1303024), (248, 814390), (310, 651512), (496, 407195), (620, 325756), (1240, 162878), (2480, 81439)]