15697539650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{20873}}^1$

素因数の和:21000

約数の個数: 72

約数和(自身を含む): 31972914540

約数和(自身を除く): 16275374890

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 89, 130, 169, 178, 325, 338, 445, 650, 845, 890, 1157, 1690, 2225, 2314, 4225, 4450, 5785, 8450, 11570, 15041, 20873, 28925, 30082, 41746, 57850, 75205, 104365, 150410, 208730, 271349, 376025, 521825, 542698, 752050, 1043650, 1356745, 1857697, 2713490, 3527537, 3715394, 6783725, 7055074, 9288485, 13567450, 17637685, 18576970, 24150061, 35275370, 46442425, 48300122, 88188425, 92884850, 120750305, 176376850, 241500610, 313950793, 603751525, 627901586, 1207503050, 1569753965, 3139507930, 7848769825, 15697539650]

約数ペア:

[(1, 15697539650), (2, 7848769825), (5, 3139507930), (10, 1569753965), (13, 1207503050), (25, 627901586), (26, 603751525), (50, 313950793), (65, 241500610), (89, 176376850), (130, 120750305), (169, 92884850), (178, 88188425), (325, 48300122), (338, 46442425), (445, 35275370), (650, 24150061), (845, 18576970), (890, 17637685), (1157, 13567450), (1690, 9288485), (2225, 7055074), (2314, 6783725), (4225, 3715394), (4450, 3527537), (5785, 2713490), (8450, 1857697), (11570, 1356745), (15041, 1043650), (20873, 752050), (28925, 542698), (30082, 521825), (41746, 376025), (57850, 271349), (75205, 208730), (104365, 150410)]