881036260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{9439}}^1$

素因数の和:9820

約数の個数: 48

約数和(自身を含む): 1998259200

約数和(自身を除く): 1117222940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 359, 718, 1436, 1795, 3590, 4667, 7180, 9334, 9439, 18668, 18878, 23335, 37756, 46670, 47195, 93340, 94390, 122707, 188780, 245414, 490828, 613535, 1227070, 2454140, 3388601, 6777202, 13554404, 16943005, 33886010, 44051813, 67772020, 88103626, 176207252, 220259065, 440518130, 881036260]

約数ペア:

[(1, 881036260), (2, 440518130), (4, 220259065), (5, 176207252), (10, 88103626), (13, 67772020), (20, 44051813), (26, 33886010), (52, 16943005), (65, 13554404), (130, 6777202), (260, 3388601), (359, 2454140), (718, 1227070), (1436, 613535), (1795, 490828), (3590, 245414), (4667, 188780), (7180, 122707), (9334, 94390), (9439, 93340), (18668, 47195), (18878, 46670), (23335, 37756)]