39801520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1514

約数の個数: 80

約数和(自身を含む): 104279040

約数和(自身を除く): 64477520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1459, 1705, 2480, 2728, 2918, 3410, 5456, 5836, 6820, 7295, 11672, 13640, 14590, 16049, 23344, 27280, 29180, 32098, 45229, 58360, 64196, 80245, 90458, 116720, 128392, 160490, 180916, 226145, 256784, 320980, 361832, 452290, 497519, 641960, 723664, 904580, 995038, 1283920, 1809160, 1990076, 2487595, 3618320, 3980152, 4975190, 7960304, 9950380, 19900760, 39801520]

約数ペア:

[(1, 39801520), (2, 19900760), (4, 9950380), (5, 7960304), (8, 4975190), (10, 3980152), (11, 3618320), (16, 2487595), (20, 1990076), (22, 1809160), (31, 1283920), (40, 995038), (44, 904580), (55, 723664), (62, 641960), (80, 497519), (88, 452290), (110, 361832), (124, 320980), (155, 256784), (176, 226145), (220, 180916), (248, 160490), (310, 128392), (341, 116720), (440, 90458), (496, 80245), (620, 64196), (682, 58360), (880, 45229), (1240, 32098), (1364, 29180), (1459, 27280), (1705, 23344), (2480, 16049), (2728, 14590), (2918, 13640), (3410, 11672), (5456, 7295), (5836, 6820)]