55721920

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10243}}^1$

素因数の和:10277

約数の個数: 56

約数和(自身を含む): 140506704

約数和(自身を除く): 84784784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 10243, 20486, 40972, 51215, 81944, 102430, 163888, 174131, 204860, 327776, 348262, 409720, 655552, 696524, 819440, 870655, 1393048, 1638880, 1741310, 2786096, 3277760, 3482620, 5572192, 6965240, 11144384, 13930480, 27860960, 55721920]

約数ペア:

[(1, 55721920), (2, 27860960), (4, 13930480), (5, 11144384), (8, 6965240), (10, 5572192), (16, 3482620), (17, 3277760), (20, 2786096), (32, 1741310), (34, 1638880), (40, 1393048), (64, 870655), (68, 819440), (80, 696524), (85, 655552), (136, 409720), (160, 348262), (170, 327776), (272, 204860), (320, 174131), (340, 163888), (544, 102430), (680, 81944), (1088, 51215), (1360, 40972), (2720, 20486), (5440, 10243)]