25505220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1721}}^1$

素因数の和:1765

約数の個数: 96

約数和(自身を含む): 81002880

約数和(自身を除く): 55497660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1482, 1721, 2470, 2964, 3442, 3705, 4940, 5163, 6884, 7410, 8605, 10326, 14820, 17210, 20652, 22373, 25815, 32699, 34420, 44746, 51630, 65398, 67119, 89492, 98097, 103260, 111865, 130796, 134238, 163495, 196194, 223730, 268476, 326990, 335595, 392388, 425087, 447460, 490485, 653980, 671190, 850174, 980970, 1275261, 1342380, 1700348, 1961940, 2125435, 2550522, 4250870, 5101044, 6376305, 8501740, 12752610, 25505220]

約数ペア:

[(1, 25505220), (2, 12752610), (3, 8501740), (4, 6376305), (5, 5101044), (6, 4250870), (10, 2550522), (12, 2125435), (13, 1961940), (15, 1700348), (19, 1342380), (20, 1275261), (26, 980970), (30, 850174), (38, 671190), (39, 653980), (52, 490485), (57, 447460), (60, 425087), (65, 392388), (76, 335595), (78, 326990), (95, 268476), (114, 223730), (130, 196194), (156, 163495), (190, 134238), (195, 130796), (228, 111865), (247, 103260), (260, 98097), (285, 89492), (380, 67119), (390, 65398), (494, 51630), (570, 44746), (741, 34420), (780, 32699), (988, 25815), (1140, 22373), (1235, 20652), (1482, 17210), (1721, 14820), (2470, 10326), (2964, 8605), (3442, 7410), (3705, 6884), (4940, 5163)]