156720040100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{220391}}^1$

素因数の和:220965

約数の個数: 72

約数和(自身を含む): 366913891008

約数和(自身を除く): 210193850908

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 547, 650, 1094, 1300, 2188, 2735, 5470, 7111, 10940, 13675, 14222, 27350, 28444, 35555, 54700, 71110, 142220, 177775, 220391, 355550, 440782, 711100, 881564, 1101955, 2203910, 2865083, 4407820, 5509775, 5730166, 11019550, 11460332, 14325415, 22039100, 28650830, 57301660, 71627075, 120553877, 143254150, 241107754, 286508300, 482215508, 602769385, 1205538770, 1567200401, 2411077540, 3013846925, 3134400802, 6027693850, 6268801604, 7836002005, 12055387700, 15672004010, 31344008020, 39180010025, 78360020050, 156720040100]

約数ペア:

[(1, 156720040100), (2, 78360020050), (4, 39180010025), (5, 31344008020), (10, 15672004010), (13, 12055387700), (20, 7836002005), (25, 6268801604), (26, 6027693850), (50, 3134400802), (52, 3013846925), (65, 2411077540), (100, 1567200401), (130, 1205538770), (260, 602769385), (325, 482215508), (547, 286508300), (650, 241107754), (1094, 143254150), (1300, 120553877), (2188, 71627075), (2735, 57301660), (5470, 28650830), (7111, 22039100), (10940, 14325415), (13675, 11460332), (14222, 11019550), (27350, 5730166), (28444, 5509775), (35555, 4407820), (54700, 2865083), (71110, 2203910), (142220, 1101955), (177775, 881564), (220391, 711100), (355550, 440782)]