40447960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7603}}^1$

素因数の和:7640

約数の個数: 64

約数和(自身を含む): 109497600

約数和(自身を除く): 69049640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 7603, 15206, 30412, 38015, 53221, 60824, 76030, 106442, 144457, 152060, 212884, 266105, 288914, 304120, 425768, 532210, 577828, 722285, 1011199, 1064420, 1155656, 1444570, 2022398, 2128840, 2889140, 4044796, 5055995, 5778280, 8089592, 10111990, 20223980, 40447960]

約数ペア:

[(1, 40447960), (2, 20223980), (4, 10111990), (5, 8089592), (7, 5778280), (8, 5055995), (10, 4044796), (14, 2889140), (19, 2128840), (20, 2022398), (28, 1444570), (35, 1155656), (38, 1064420), (40, 1011199), (56, 722285), (70, 577828), (76, 532210), (95, 425768), (133, 304120), (140, 288914), (152, 266105), (190, 212884), (266, 152060), (280, 144457), (380, 106442), (532, 76030), (665, 60824), (760, 53221), (1064, 38015), (1330, 30412), (2660, 15206), (5320, 7603)]