25210920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{30013}}^1$

素因数の和:30034

約数の個数: 64

約数和(自身を含む): 86440320

約数和(自身を除く): 61229400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 30013, 60026, 90039, 120052, 150065, 180078, 210091, 240104, 300130, 360156, 420182, 450195, 600260, 630273, 720312, 840364, 900390, 1050455, 1200520, 1260546, 1680728, 1800780, 2100910, 2521092, 3151365, 3601560, 4201820, 5042184, 6302730, 8403640, 12605460, 25210920]

約数ペア:

[(1, 25210920), (2, 12605460), (3, 8403640), (4, 6302730), (5, 5042184), (6, 4201820), (7, 3601560), (8, 3151365), (10, 2521092), (12, 2100910), (14, 1800780), (15, 1680728), (20, 1260546), (21, 1200520), (24, 1050455), (28, 900390), (30, 840364), (35, 720312), (40, 630273), (42, 600260), (56, 450195), (60, 420182), (70, 360156), (84, 300130), (105, 240104), (120, 210091), (140, 180078), (168, 150065), (210, 120052), (280, 90039), (420, 60026), (840, 30013)]