2040240040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{8597}}^1$

素因数の和:8974

約数の個数: 64

約数和(自身を含む): 4875066000

約数和(自身を除く): 2834825960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 349, 680, 698, 1396, 1745, 2792, 3490, 5933, 6980, 8597, 11866, 13960, 17194, 23732, 29665, 34388, 42985, 47464, 59330, 68776, 85970, 118660, 146149, 171940, 237320, 292298, 343880, 584596, 730745, 1169192, 1461490, 2922980, 3000353, 5845960, 6000706, 12001412, 15001765, 24002824, 30003530, 51006001, 60007060, 102012002, 120014120, 204024004, 255030005, 408048008, 510060010, 1020120020, 2040240040]

約数ペア:

[(1, 2040240040), (2, 1020120020), (4, 510060010), (5, 408048008), (8, 255030005), (10, 204024004), (17, 120014120), (20, 102012002), (34, 60007060), (40, 51006001), (68, 30003530), (85, 24002824), (136, 15001765), (170, 12001412), (340, 6000706), (349, 5845960), (680, 3000353), (698, 2922980), (1396, 1461490), (1745, 1169192), (2792, 730745), (3490, 584596), (5933, 343880), (6980, 292298), (8597, 237320), (11866, 171940), (13960, 146149), (17194, 118660), (23732, 85970), (29665, 68776), (34388, 59330), (42985, 47464)]