7949080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 18960480

約数和(自身を除く): 11011400

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 131, 148, 164, 185, 205, 262, 296, 328, 370, 410, 524, 655, 740, 820, 1048, 1310, 1480, 1517, 1640, 2620, 3034, 4847, 5240, 5371, 6068, 7585, 9694, 10742, 12136, 15170, 19388, 21484, 24235, 26855, 30340, 38776, 42968, 48470, 53710, 60680, 96940, 107420, 193880, 198727, 214840, 397454, 794908, 993635, 1589816, 1987270, 3974540, 7949080]

約数ペア:

[(1, 7949080), (2, 3974540), (4, 1987270), (5, 1589816), (8, 993635), (10, 794908), (20, 397454), (37, 214840), (40, 198727), (41, 193880), (74, 107420), (82, 96940), (131, 60680), (148, 53710), (164, 48470), (185, 42968), (205, 38776), (262, 30340), (296, 26855), (328, 24235), (370, 21484), (410, 19388), (524, 15170), (655, 12136), (740, 10742), (820, 9694), (1048, 7585), (1310, 6068), (1480, 5371), (1517, 5240), (1640, 4847), (2620, 3034)]