40261780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9109}}^1$

素因数の和:9148

約数の個数: 48

約数和(自身を含む): 96420240

約数和(自身を除く): 56158460

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 9109, 18218, 36436, 45545, 91090, 118417, 154853, 182180, 236834, 309706, 473668, 592085, 619412, 774265, 1184170, 1548530, 2013089, 2368340, 3097060, 4026178, 8052356, 10065445, 20130890, 40261780]

約数ペア:

[(1, 40261780), (2, 20130890), (4, 10065445), (5, 8052356), (10, 4026178), (13, 3097060), (17, 2368340), (20, 2013089), (26, 1548530), (34, 1184170), (52, 774265), (65, 619412), (68, 592085), (85, 473668), (130, 309706), (170, 236834), (221, 182180), (260, 154853), (340, 118417), (442, 91090), (884, 45545), (1105, 36436), (2210, 18218), (4420, 9109)]