20160178385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1789}}^1$

素因数の和:1986

約数の個数: 64

約数和(自身を含む): 27219456000

約数和(自身を除く): 7059277615

約数列:

[1, 5, 23, 29, 31, 109, 115, 145, 155, 545, 667, 713, 899, 1789, 2507, 3161, 3335, 3379, 3565, 4495, 8945, 12535, 15805, 16895, 20677, 41147, 51881, 55459, 72703, 77717, 97991, 103385, 195001, 205735, 259405, 277295, 363515, 388585, 489955, 975005, 1193263, 1275557, 1608311, 2253793, 4485023, 5655029, 5966315, 6045031, 6377785, 8041555, 11268965, 22425115, 28275145, 30225155, 36991153, 130065667, 139035713, 175305899, 184955765, 650328335, 695178565, 876529495, 4032035677, 20160178385]

約数ペア:

[(1, 20160178385), (5, 4032035677), (23, 876529495), (29, 695178565), (31, 650328335), (109, 184955765), (115, 175305899), (145, 139035713), (155, 130065667), (545, 36991153), (667, 30225155), (713, 28275145), (899, 22425115), (1789, 11268965), (2507, 8041555), (3161, 6377785), (3335, 6045031), (3379, 5966315), (3565, 5655029), (4495, 4485023), (8945, 2253793), (12535, 1608311), (15805, 1275557), (16895, 1193263), (20677, 975005), (41147, 489955), (51881, 388585), (55459, 363515), (72703, 277295), (77717, 259405), (97991, 205735), (103385, 195001)]