201901760

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20353}}^1$

素因数の和:20401

約数の個数: 56

約数和(自身を含む): 496311936

約数和(自身を除く): 294410176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 20353, 40706, 81412, 101765, 162824, 203530, 325648, 407060, 630943, 651296, 814120, 1261886, 1302592, 1628240, 2523772, 3154715, 3256480, 5047544, 6309430, 6512960, 10095088, 12618860, 20190176, 25237720, 40380352, 50475440, 100950880, 201901760]

約数ペア:

[(1, 201901760), (2, 100950880), (4, 50475440), (5, 40380352), (8, 25237720), (10, 20190176), (16, 12618860), (20, 10095088), (31, 6512960), (32, 6309430), (40, 5047544), (62, 3256480), (64, 3154715), (80, 2523772), (124, 1628240), (155, 1302592), (160, 1261886), (248, 814120), (310, 651296), (320, 630943), (496, 407060), (620, 325648), (992, 203530), (1240, 162824), (1984, 101765), (2480, 81412), (4960, 40706), (9920, 20353)]