98755540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19991}}^1$

素因数の和:20032

約数の個数: 48

約数和(自身を含む): 235105920

約数和(自身を除く): 136350380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 19991, 39982, 79964, 99955, 199910, 259883, 379829, 399820, 519766, 759658, 1039532, 1299415, 1519316, 1899145, 2598830, 3798290, 4937777, 5197660, 7596580, 9875554, 19751108, 24688885, 49377770, 98755540]

約数ペア:

[(1, 98755540), (2, 49377770), (4, 24688885), (5, 19751108), (10, 9875554), (13, 7596580), (19, 5197660), (20, 4937777), (26, 3798290), (38, 2598830), (52, 1899145), (65, 1519316), (76, 1299415), (95, 1039532), (130, 759658), (190, 519766), (247, 399820), (260, 379829), (380, 259883), (494, 199910), (988, 99955), (1235, 79964), (2470, 39982), (4940, 19991)]