40241890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 83825280

約数和(自身を除く): 43583390

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 131, 139, 170, 221, 262, 278, 442, 655, 695, 1105, 1310, 1390, 1703, 1807, 2210, 2227, 2363, 3406, 3614, 4454, 4726, 8515, 9035, 11135, 11815, 17030, 18070, 18209, 22270, 23630, 28951, 30719, 36418, 57902, 61438, 91045, 144755, 153595, 182090, 236717, 289510, 307190, 309553, 473434, 619106, 1183585, 1547765, 2367170, 3095530, 4024189, 8048378, 20120945, 40241890]

約数ペア:

[(1, 40241890), (2, 20120945), (5, 8048378), (10, 4024189), (13, 3095530), (17, 2367170), (26, 1547765), (34, 1183585), (65, 619106), (85, 473434), (130, 309553), (131, 307190), (139, 289510), (170, 236717), (221, 182090), (262, 153595), (278, 144755), (442, 91045), (655, 61438), (695, 57902), (1105, 36418), (1310, 30719), (1390, 28951), (1703, 23630), (1807, 22270), (2210, 18209), (2227, 18070), (2363, 17030), (3406, 11815), (3614, 11135), (4454, 9035), (4726, 8515)]