202217440

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{20719}}^1$

素因数の和:20795

約数の個数: 48

約数和(自身を含む): 485593920

約数和(自身を除く): 283376480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 9760, 20719, 41438, 82876, 103595, 165752, 207190, 331504, 414380, 663008, 828760, 1263859, 1657520, 2527718, 3315040, 5055436, 6319295, 10110872, 12638590, 20221744, 25277180, 40443488, 50554360, 101108720, 202217440]

約数ペア:

[(1, 202217440), (2, 101108720), (4, 50554360), (5, 40443488), (8, 25277180), (10, 20221744), (16, 12638590), (20, 10110872), (32, 6319295), (40, 5055436), (61, 3315040), (80, 2527718), (122, 1657520), (160, 1263859), (244, 828760), (305, 663008), (488, 414380), (610, 331504), (976, 207190), (1220, 165752), (1952, 103595), (2440, 82876), (4880, 41438), (9760, 20719)]