40785460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 89187840

約数和(自身を除く): 48402380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 157, 310, 314, 419, 620, 628, 785, 838, 1570, 1676, 2095, 3140, 4190, 4867, 8380, 9734, 12989, 19468, 24335, 25978, 48670, 51956, 64945, 65783, 97340, 129890, 131566, 259780, 263132, 328915, 657830, 1315660, 2039273, 4078546, 8157092, 10196365, 20392730, 40785460]

約数ペア:

[(1, 40785460), (2, 20392730), (4, 10196365), (5, 8157092), (10, 4078546), (20, 2039273), (31, 1315660), (62, 657830), (124, 328915), (155, 263132), (157, 259780), (310, 131566), (314, 129890), (419, 97340), (620, 65783), (628, 64945), (785, 51956), (838, 48670), (1570, 25978), (1676, 24335), (2095, 19468), (3140, 12989), (4190, 9734), (4867, 8380)]