65216420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2311}}^1$

素因数の和:2420

約数の個数: 48

約数和(自身を含む): 146821248

約数和(自身を除く): 81604828

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 332, 340, 415, 830, 1411, 1660, 2311, 2822, 4622, 5644, 7055, 9244, 11555, 14110, 23110, 28220, 39287, 46220, 78574, 157148, 191813, 196435, 383626, 392870, 767252, 785740, 959065, 1918130, 3260821, 3836260, 6521642, 13043284, 16304105, 32608210, 65216420]

約数ペア:

[(1, 65216420), (2, 32608210), (4, 16304105), (5, 13043284), (10, 6521642), (17, 3836260), (20, 3260821), (34, 1918130), (68, 959065), (83, 785740), (85, 767252), (166, 392870), (170, 383626), (332, 196435), (340, 191813), (415, 157148), (830, 78574), (1411, 46220), (1660, 39287), (2311, 28220), (2822, 23110), (4622, 14110), (5644, 11555), (7055, 9244)]